1.5ml 9mm Clear Screw Hplc Vials with Writing Space for Sale These 1.5ml 9mm Clear Screw Hplc Vials are the preferred choice for modern autosamplers.High-Quality Vial - 1.5ml 9mm Clear Screw Hplc Vials made of low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements.